#include <stdio.h>

int main(int argc, char *argv[])
{
    auto int man_age;
    man_age += 1;
    printf("man=%d\n", man_age);

    # auto 修飾的變量必須要初始化， 默認的變量值是隨機的
    for(int i = 0; i < 5; i++) {
        auto int woman;
        woman++;
        printf("women age is : %d\n", woman);
    }


    int i = 1;

    while(i < 5) {
        int a;
        a++;
        printf("a=%d\n", a);
        i++;
    }

    return 0;
}
